SPEEDRING SYSTEMS, INC

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ROCHESTER, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Polygon scanner having a fluid film bearing and active correction o...
- Patent number 5,999,302
- Issue date Dec 7, 1999
- Speedring Systems, Inc.
- Michael N. Sweeney
- G02 - OPTICS
Information Patent Grant
Optical scanning device having a spherical exit window
- Patent number 5,610,751
- Issue date Mar 11, 1997
- Speedring Systems, Inc.
- Michael N. Sweeney
- G02 - OPTICS